Pith Number

pith:RZB7W2RW

pith:2015:RZB7W2RWCCF6M3N6CELUO7QLPK

not attested not anchored not stored refs pending

The Galactic evolution of sulphur as traced by globular clusters

Andreas Koch, Elisabetta Caffau, Luca Sbordone, Nikolay Kacharov

arxiv:1503.02691 v1 · 2015-03-09 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZB7W2RWCCF6M3N6CELUO7QLPK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:17:35.620756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e43fb6a36108be66dbe1117477e0b7a94bdf892ce15e6ac01dc5a953f389f6a

Aliases

arxiv: 1503.02691 · arxiv_version: 1503.02691v1 · doi: 10.48550/arxiv.1503.02691 · pith_short_12: RZB7W2RWCCF6 · pith_short_16: RZB7W2RWCCF6M3N6 · pith_short_8: RZB7W2RW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/RZB7W2RWCCF6M3N6CELUO7QLPK \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 8e43fb6a36108be66dbe1117477e0b7a94bdf892ce15e6ac01dc5a953f389f6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37676005fc816e875961bd998795ae05f7c75d1b6b17fe16faa1323dc76c5c0a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-09T21:00:07Z",
    "title_canon_sha256": "ad8ead3d5b225006ba05c3d325d5b9b8d7925d5ff1c35f3efe7b4022e7b1c096"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02691",
    "kind": "arxiv",
    "version": 1
  }
}